FUEL CELL SYSTEM AND METHOD FOR DISCHARGING FLUID IN THE SYSTEM

摘要

There is provided a fuel cell system, wherein a controller configured to set the flow volume of a fluid in an anode flow path at an outlet of an anode of the fuel cell to a first flow volume, then set thereafter the flow volume of the fluid in the anode flow path at the outlet of the anode to a second flow volume which is smaller than the first flow volume, and discharge the water in the hydrogen discharge flow path by opening an exhaust and drain valve while the fluid is flowing at the second flow volume.

主权项

1. A fuel cell system comprising:
a fuel cell; a hydrogen supply unit which supplies a hydrogen gas to the fuel cell; a hydrogen supply flow path, through which a hydrogen gas to be supplied from the hydrogen supply unit to the fuel cell passes; a hydrogen discharge flow path, through which a hydrogen off-gas discharged from the fuel cell passes; an exhaust and drain valve disposed in the hydrogen discharge flow path; and a controller configured to control the supply amount of a hydrogen gas from the hydrogen supply unit, wherein the controller is further configured to: set a flow volume of a fluid in an anode flow path at an outlet of an anode of the fuel cell to a first flow volume; thereafter, set the flow volume of the fluid in the anode flow path at the outlet of the anode to a second flow volume that is smaller than the first flow volume, and discharge water in the hydrogen discharge flow path by opening the exhaust and drain valve while the fluid is passing at the second flow volume.